Choose the underlined word or phrase that needs correcting

Giải dùm mình bài này với. Mình cần gấp
----- Nội dung dịch tự động từ ảnh -----
C
D
23. Texas is larger than California, but it has fewer people as California does.
A
B
D
24. I am writing in respond to your letter of June 12.
A
C
D
Iv.Choose the underlined word or phrase that needs correcting.
21. He used to walking along the beach every evening before bed.
C D
25. Whatever happened, I didn't want to lose friendship of Vera.
B
C
D
A
B
22. Do you think English is a language which can master easily and quickly?